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Diffstat (limited to 'ext/bigdecimal/sample/nlsolve.rb')
| -rw-r--r-- | ext/bigdecimal/sample/nlsolve.rb | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/ext/bigdecimal/sample/nlsolve.rb b/ext/bigdecimal/sample/nlsolve.rb deleted file mode 100644 index c2227dac73..0000000000 --- a/ext/bigdecimal/sample/nlsolve.rb +++ /dev/null @@ -1,40 +0,0 @@ -#!/usr/local/bin/ruby -# frozen_string_literal: false - -# -# nlsolve.rb -# An example for solving nonlinear algebraic equation system. -# - -require "bigdecimal" -require "bigdecimal/newton" -include Newton - -class Function # :nodoc: all - def initialize() - @zero = BigDecimal("0.0") - @one = BigDecimal("1.0") - @two = BigDecimal("2.0") - @ten = BigDecimal("10.0") - @eps = BigDecimal("1.0e-16") - end - def zero;@zero;end - def one ;@one ;end - def two ;@two ;end - def ten ;@ten ;end - def eps ;@eps ;end - def values(x) # <= defines functions solved - f = [] - f1 = x[0]*x[0] + x[1]*x[1] - @two # f1 = x**2 + y**2 - 2 => 0 - f2 = x[0] - x[1] # f2 = x - y => 0 - f <<= f1 - f <<= f2 - f - end -end - -f = BigDecimal.limit(100) -f = Function.new -x = [f.zero,f.zero] # Initial values -n = nlsolve(f,x) -p x |